GB450241A - Push-pull detector for television purposes - Google Patents
Push-pull detector for television purposesInfo
- Publication number
- GB450241A GB450241A GB32403/34A GB3240334A GB450241A GB 450241 A GB450241 A GB 450241A GB 32403/34 A GB32403/34 A GB 32403/34A GB 3240334 A GB3240334 A GB 3240334A GB 450241 A GB450241 A GB 450241A
- Authority
- GB
- United Kingdom
- Prior art keywords
- push
- nov
- earth
- primary
- respect
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/14—Demodulation of amplitude-modulated oscillations by means of non-linear elements having more than two poles
- H03D1/16—Demodulation of amplitude-modulated oscillations by means of non-linear elements having more than two poles of discharge tubes
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Relating To Insulation (AREA)
- Measurement Of Radiation (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
450,241. Valve detecting circuits. RADIOAKT.-GES. D. S. LOEWE, 10, Wiesenweg, Steglitz, Berlin. Nov. 10, 1934, No. 32403. Convention date, Nov. 10, 1933. [Class 40 (v)] In a push-pull detector, more particularly for use in television, the voltages fed to the detectors are rendered symmetrical with respect to earth by spacial displacement of the secondary of the input transformer relative to the primary which has a large stray-effect. The Figure shows a primary comprising a long coil 2 and a secondary divided into two separate series connected coil halves 9, 10 spaced apart. Additionally, an earthed screen may be provided between the windings comprising a wire net cut open axially. Alternatively, equality of terminal potentials with respect to earth may be ensured by variable loads on the secondary windings provided by the differential condenser 15, 16. Specifications 447,401 and 449,466 are referred to.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE450241X | 1933-11-10 | ||
| US751927A US2072315A (en) | 1933-11-10 | 1934-11-07 | Push-pull detector |
| US83704A US2129037A (en) | 1933-11-10 | 1936-06-05 | Detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB450241A true GB450241A (en) | 1936-07-10 |
Family
ID=32045522
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32403/34A Expired GB450241A (en) | 1933-11-10 | 1934-11-10 | Push-pull detector for television purposes |
| GB11261/36A Expired GB450351A (en) | 1933-11-10 | 1934-11-10 | Grid-current detector for television purposes |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB11261/36A Expired GB450351A (en) | 1933-11-10 | 1934-11-10 | Grid-current detector for television purposes |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2129037A (en) |
| GB (2) | GB450241A (en) |
| NL (1) | NL43274C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2462153A (en) * | 1945-05-28 | 1949-02-22 | Hilmar A Andresen | Electron discharge device |
| US3418882A (en) * | 1966-09-02 | 1968-12-31 | Max K. Brand | Key making machine for tubular-type key |
-
0
- NL NL43274D patent/NL43274C/xx active
-
1934
- 1934-11-10 GB GB32403/34A patent/GB450241A/en not_active Expired
- 1934-11-10 GB GB11261/36A patent/GB450351A/en not_active Expired
-
1936
- 1936-06-05 US US83704A patent/US2129037A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2129037A (en) | 1938-09-06 |
| GB450351A (en) | 1936-07-10 |
| NL43274C (en) |
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